.admin {
    width: 98%;
    box-sizing: border-box;
    margin: auto;
}

.ad-top {
    height: 80px;
    background: #fff;
    margin: auto;
    display: flex;
    align-items: center;
    margin-top: 20px;
    border-bottom: 1px solid rgba(226, 233, 241, 1);

}

.mid {
    margin: auto;
    background: #fff;
    transition: all .5s;
    box-sizing: border-box;
    overflow: hidden;
    display: flex;
    align-items: center;

}
.one{
    margin: 0 40px;
}
.btn{
    margin: 20px 0;
}